Identify the property being illustrated: 45.2 + (1.5 + 15.4) = (45.2 + 1.5) + 15.4

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Pranza plotted point a in the coordinate plane below.

Find the missing factor. write your answer inexponential form.9^2=9^4×